硅酸酯 的英文怎麼說

中文拼音 [guīsuānzhǐ]
硅酸酯 英文
silicate ester
  • : 名詞[化學] silicon (14號元素符號 si)
  • : 酸構詞成分。
  • : 名詞[化學] (有機化合物的一類) ester
  1. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明:有機聚合物-聚丙烯梯度膜有一個較寬的玻璃化轉變溫區,玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展:有機聚合物-聚甲基丙烯梯度膜具有較好的熱學性能;含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  2. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機改性丙烯共聚物具有比純丙烯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機單體: ?甲基丙烯酰氧基丙基三乙氧基烷和?甲基丙烯酰氧基丙基三異丙氧基烷;利用核磁共振對新型烷單體結構進行了證實;研究表明利用新型烷單體可以制備出高烷含量的有機改性丙烯乳液,且其聚合產物具有較高的力學及耐水性能。
  3. 93012 nike remora iii goggle is a performance racing goggle, anti - fog shatterproof polycarbonate lenses, uv protection, neoprene and plastic gasket, three sizes of nose piece, double silicone head strap

    專業游泳泳鏡,防碎的聚碳纖維,防紫外線,氯丁膠和塑料墊圈,有3個鼻橋供您更換,雙重膠泳鏡帶
  4. Using the semi - batch synthesis techniques, a grafting reaction mechanism is adopted to prepare a core - shell composite latex of siloxane / acrylate based copolymer

    利用接枝反應和種子溶脹半連續滴加技術合成了聚有機氧烷聚丙烯復合乳液。
  5. Inorfil flame retardant coating for jet plane, zinc silicate primer, high temperature resistant coating, anticorrosion painting of epoxy asphalt glass squama, top - grade interior and exterior wall coating, ultralow surface treatment coating, industrial terrace coating, ethyl silicate

    鋅塗料、耐高溫塗料、環氧瀝青玻璃鱗片防腐塗料、高檔內外墻塗料、超低表面處理塗料、工業地坪塗料、
  6. Ir, sem - edx, and water contact angle measurements on polysilane and polyacrylate film obtained by double operations and single operation showed that the influence of weight ratio of polymers, the molecular of pmma on film structure was great. the film translucence dropping while the ratio of pmma / pmts grew and the compatible reducing while the molecular of pmma increased

    通過測定所配製的系列濃度聚合物甲苯溶液、 thf溶液的表面張力發現:有機聚合物溶液的表面張力值在有機聚合物濃度低於30時變化不明顯;而甲基丙烯聚合物溶液表面張力值隨甲基丙烯聚合物濃度的變化比有機聚合物溶液明顯。
  7. The experimental results further demonstrate that the combination of incompatibility polydimethylsiloxane and polyacrylate by co - vulcanization improves the both compatibility and broadens the low temperature and high temperature functional region. while in sin, to improve microphase structures and damping properties, the design to increase compatibility between two compositions and modulate crosslinking density as well as relative reaction rate of two compositions, is also effective

    以上實驗結果表明,在復合橡膠阻尼材料中將聚氧烷與聚丙烯通過共混硫化相結合,改進了二者的相容性,拓寬了其阻尼功能區的低溫和高溫溫域;而在sin中通過改善組四川大學博士學位論文分間相容性,調節交聯密度控制其微相結構和兩種組分相對反應速度的快慢,進而控制材料阻尼性能的設計是行之有效的。
  8. Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process

    結果使基質和復合物的制備在比傳統的固相反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成;五、對基質及復合物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流阻抗譜表徵,研究結果表明:在溶膠向凝膠的轉化過程中同時存在著正自身的聚合作用和檸檬鹽絡合物之間的聚合作用:干凝膠向產物粉體的轉化在400600c之間進行;基質li 。
  9. Besides, it was founded that the compatible of the system consisted of mts - mma copolymer and pmma was better than that of pmts / pmma

    應用dma , dsc , uv及水滴接觸角等測試手段表徵了有機聚合物-聚甲基丙烯梯度膜的性能。
  10. Then properties of the polysilane - polyacrylate gradient films were characterized. the mechanism of film forming process of polysilane - polyacrylate fgm was probed into as well

    並對所制得的有機聚合物-聚甲基丙烯梯度膜的性能進行了表徵,對其成膜機理進行了探討。
  11. To prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of solution preparation was performed. based on the results of the back - scattered electron images and linear scanning of the polysilane - polyacrylate film ' s cross section, the dependence of polysilane - polyacrylate film ' s structure on molecules of polysilane and polyacrylate, pmma / pmts feed ratio and component concentration were investigated

    通過測試有機聚合物-聚甲基丙烯樹脂膜的結構,分析了聚有機( pmts ) 、聚甲基丙烯( pmma )的分子量、 pmma pmts體系配比、組分濃度等因素對有機聚合物-聚甲基丙烯樹脂膜結構的影響。
  12. The utilization of organosilicon which has higher bond energy and lower surface energy to modify the acrylate latex can markedly improve and enhance those properties mentioned above for acrylate polymers, and to date, it has become one of the most important research directions in this field

    利用鍵能較高、表面能較低的有機組分改性丙烯乳液,提高丙烯聚合物的耐高、低溫性及耐水性能,已成為丙烯乳液改性的重要方法。
  13. However, most of those flame retardants will reduce the other properties of materials at the same time. to overcome this drawback, a reactive flame retardant, which was incorporated in the main chain of pet, was used and an intercalative polymerization to layered silicates was conducted so as to prepare novel flame - retardant copolyesters / layered silicate nanocomposites

    為了克服這一缺點,我們在引入一種反應型含磷阻燃劑的同時,通過插層聚合的方法合成了一種新型的聚合物材料:主鏈含磷阻燃共聚層狀鹽納米復合材料,以期在提高聚合物阻燃性的同時,亦改善材料的其它性能。
  14. The silver doped tio2 or sio2 sols are prepared through sol - gel method, ti ( oc4h9 ) 4 and si ( oc2hs ) 4 are chosen as precursors respectively, and hnos is catalyzer, agno3 is the second component for inducting silver ion

    實驗分別以鈦和正為先驅劑,硝為催化劑,硝銀引入銀離子,以溶膠?凝膠法配製摻銀tio _ 2 、 sio _ 2溶膠。
  15. It was demonstrated that the reaction temperature, solvent, concentration of the reactants and catalyst, ageing time affected the particle size and distribution. by controlling these factors or feeding teos step after step, monodispersed and spherical ultrafine sio2 powder could be prepared

    討論了醇、水、氨、正、溫度、陳化時間等多種影響因素對顆粒粒徑及粒徑分佈的影響,得出了制備超細二氧化粒子的優化的工藝條件。
  16. In the process of preparing mullite powder, we use teos and al ( no3 ) 3 as raw materials. the powder we prepared has high purity and its grain radius is relatively small and is distributed equality. by this method, we prepared about 600 g mullite powder and it provided basis for the next experiment

    在溶膠-凝膠法制備莫來石粉末過程中,我們以正和硝鋁為主要原料,採用該法制得了莫來石粉末,該粉末純度很高,粒徑較小並且分佈均勻,我們按該法制得了約600g莫來石粉料,為接下來的實驗打下了基礎。
  17. Abstract : this paper dicussed the preparative parameteres synthesized mullite ultrafine powder by sol - gel and co2 scfd ( supercritieal fluid drying ) method from teos and al ( no3 ) 3 ? 9h2o as raw materials. the control parameteres of the colloidal particle size forming in sol - gel process and the gel structure and the scfd were studied by, xrd, tem and bet techmiques

    文摘:研究了以正和硝鋁為原料,採用溶膠一凝膠法結合co2超臨界流體低溫乾燥技術合成莫來石超細粉的制備參數控制,並利用xrd 、 tem和bet 、技術研究了溶膠-凝膠過程中溶膠膠粒大小的控制和凝膠結構的控制及超臨界流體乾燥技術的控制。
  18. Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4

    文摘:目的合成一種前藥白藜蘆醇煙.方法在金屬鋰片和催化量的萘的存在下, 3 , 5 -二甲氧基苯甲醛與對甲氧基苯甲醇的三甲基醚反應經過一系列轉變得到白藜蘆醇,白藜蘆醇與煙酰氯反應得到白藜蘆醇煙.結果設計併合成了白藜蘆醇煙.結論提供了一種合成白藜蘆醇及白藜蘆醇煙的方法,採用khso4脫水可選擇性的得到反式產物
  19. Analysis of iron ores - methods for the determination of silicon content - reduced molybdosilicate spectrophotometric method

    鐵礦石的分析.第5部分:含量測定方法.第2節:還原磷硅酸酯分光光度計測定法
  20. Materials and articles in contact with foodstuffs. silicate surfaces. part 1 : determination of the release of lead and cadmium from ceramic ware

    與食品接觸的材料和器具.硅酸酯表面.第1部分:從陶瓷器具中釋放的鉛和鎘的測定
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